Multi-point air sampling cabinet

Abstract

The utility model discloses a multi-point air sampling cabinet, which comprises a sampling cabinet, an expansion type multi-point sampling structure, an air inlet and an air outlet, the expansion type multi-point sampling structure comprises a storage cavity, three pairs of fixed grids, three pairs of sampling gas bins, three pairs of expansion gas inlet assemblies and a pair of sealing box doors; the storage cavity is formed in the sampling cabinet, the three pairs of fixed grids are mounted in the storage cavity, and the three pairs of sampling gas bins are mounted in the three pairs of fixed grids; the utility model relates to the technical field of air sampling equipment, and has the beneficial effects that the problems of poor sample collection effect, frequent sampling and collection and lower efficiency due to the fact that air samples are collected by manually using sampling equipment or fixed-point sampling equipment in the conventional air sampling are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of air sampling equipment, in particular to a multi-point air sampling cabinet. Background Art

[0002] Air quality refers to the content of various pollutants and gases in the atmosphere and their impact on the environment and human health. Good air quality means low concentrations of pollutants in the atmosphere, which has less impact on human health and the environment, while poor air quality may lead to various health problems and environmental pollution. Frequent sampling is required to detect air quality. Existing air sampling is mostly done manually using sampling equipment or fixed-point sampling equipment to collect air samples. The sample collection effect is poor, frequent sampling is required, and the efficiency is low. Utility Model Content

[0003] To achieve the above purpose, the utility model is implemented through the following technical solutions: a multi-point air sampling cabinet, comprising: a sampling cabinet, on which an expandable multi-point sampling structure is installed;

[0004] The expandable multi-point sampling structure includes: a storage chamber, three pairs of fixed grids, three pairs of sampling gas chambers, three pairs of expansion air intake components and a pair of sealed box doors;

[0005] The storage cavity is opened inside the sampling cabinet, three pairs of fixed grilles are installed in the storage cavity, three pairs of sampling gas chambers are installed in the three pairs of fixed grilles, three pairs of unfolded air intake components are installed on the walls on both sides of the sampling cabinet, and a pair of sealed box doors are installed at the opening position of the front wall of the sampling cabinet.

[0006] Preferably, a support base is installed under the sampling cabinet.

[0007] Preferably, a pair of sealed door are mounted on the sampling cabinet via hinges.

[0008] Preferably, a pair of one-way air inlet valves are installed on the three pairs of sampling gas chambers.

[0009] Preferably, the three pairs of deployed air intake assemblies are installed opposite to each other.

[0010] Preferably, one of the three pairs of unfolding air intake components comprises: an equipment slot, an air pump, an air intake pipe, a mounting slot, an unfolding bracket, an air intake hopper, a telescopic push rod and a pair of transmission frames;

[0011] The equipment slot is opened on the inner wall of the sampling cabinet, the vacuum pump is installed in the equipment slot, the air outlet of the vacuum pump extends through the storage cavity, one end of the air inlet pipe is installed on the air inlet of the vacuum pump, the mounting slot is opened on the side wall of the sampling cabinet, one end of the expansion bracket is movably installed in the mounting slot, the air inlet pipe is embedded in the expansion bracket, the air inlet hopper is installed on the expansion bracket, the other end of the air inlet pipe is installed on the air inlet hopper, one end of the telescopic push rod is installed at the rotation position of the expansion bracket, one end of a pair of transmission frames are respectively installed on the mounting slot and the expansion bracket, and the other end of a pair of transmission frames are installed on the output end of the telescopic push rod.

[0012] Preferably, the air inlet pipe is a corrugated hose.

[0013] Beneficial Effects

[0014] The utility model provides a multi-point air sampling cabinet, which has the following beneficial effects: the scheme uses an expandable multi-point sampling structure, and performs fully automatic sample collection through a mechanical structure. Air samples can be collected multiple times at regular intervals, and the samples are stored through an air bin, which solves the problem that the existing air sampling is mostly performed manually using sampling equipment or fixed-point sampling equipment to collect air samples, the sample collection effect is poor, frequent sampling and collection are required, and the efficiency is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the unfolded three-dimensional structure of a multi-point air sampling cabinet described in the utility model.

[0016] Figure 2 It is a schematic diagram of the expanded main and sectional structure of a multi-point air sampling cabinet described in the utility model.

[0017] Figure 3 This is a schematic diagram of the expanded main structure of a multi-point air sampling cabinet described in the utility model.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of a telescopic push rod of a multi-point air sampling cabinet described in the utility model.

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the sampling gas chamber of the multi-point air sampling cabinet described in the utility model.

[0020] In the figure: 1-sampling cabinet; 2-storage chamber; 3-fixed grid; 4-sampling gas chamber; 5-sealed box door; 6-support seat; 7-hinge; 8-one-way air inlet valve; 9-equipment slot; 10-vacuum pump; 11-inlet pipe; 12-installation slot; 13-unfolding bracket; 14-inlet bucket; 15-telescopic push rod; 16-transmission frame. DETAILED DESCRIPTION

[0021] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0022] Example: See Figure 1-5 The utility model provides a technical solution: a multi-point air sampling cabinet. This solution takes into account that traditional air sampling equipment cannot collect multiple air samples, and requires staff to frequently sample and replace them. The sampling efficiency is very low and the workload is large. Based on the above content, this case sets the following technical means;

[0023] Specifically, the device at least comprises a sampling cabinet 1, a storage chamber 2, three pairs of fixed grids 3, three pairs of sampling gas chambers 4, three pairs of unfolding air intake components and a pair of sealed box doors 5;

[0024] The sampling cabinet 1 is used to install and support the entire equipment, and the sampling gas chamber 4 is fixed by a fixed grille 3 installed in the internal storage chamber 2, so that the one-way air intake valve 8 installed on the sampling gas chamber 4 is connected to the deployment air intake component. When air sampling is required, a control signal controls the deployment air intake component to start and transport the air sample to the sampling gas chamber 4 for sample storage, thereby realizing multi-point sampling in batches.

[0025] More specifically, the unfolding air intake assembly includes: an equipment slot 9, an air pump 10, an air intake pipe 11, a mounting slot 12, an unfolding bracket 13, an air intake scoop 14, a telescopic push rod 15 and a pair of transmission frames 16;

[0026] The telescopic push rod 15 installed in the installation groove 12 starts the output end to contract and drive the transmission frame 16 connected to it to transmit, and the expansion bracket 13 is expanded and extended from the installation groove 12 through the connecting rod structure. At the same time, the vacuum pump 10 installed in the equipment groove 9 starts to suck the external air sample from the air inlet bucket 14 and transport it to the sampling air chamber 4 through the air inlet pipe 11, thereby realizing the fully automatic collection of air samples. After the collection is completed, the output end of the telescopic push rod 15 extends, and the expansion bracket 13 is retracted into the installation groove 12 through the connecting rod structure.

[0027] Further, the storage chamber 2 is opened inside the sampling cabinet 1, three pairs of fixed grilles 3 are installed in the storage chamber 2, three pairs of sampling gas chambers 4 are installed in the three pairs of fixed grilles 3, three pairs of unfolded air intake components are installed on the side walls of the sampling cabinet 1, and a pair of sealed box doors 5 are installed at the opening position of the front wall of the sampling cabinet 1;

[0028] The equipment slot 9 is opened on the inner wall of the sampling cabinet 1, the vacuum pump 10 is installed in the equipment slot 9, the air outlet of the vacuum pump 10 extends into the storage chamber 2, one end of the air inlet pipe 11 is installed on the air inlet of the vacuum pump 10, the mounting slot 12 is opened on the side wall of the sampling cabinet 1, one end of the expansion bracket 13 is movably installed in the mounting slot 12, the air inlet pipe 11 is embedded in the expansion bracket 13, the air inlet hopper 14 is installed on the expansion bracket 13, the other end of the air inlet pipe 11 is installed on the air inlet hopper 14, one end of the telescopic push rod 15 is installed at the rotation position of the expansion bracket 13, one end of a pair of transmission frames 16 are respectively installed on the mounting slot 12 and the expansion bracket 13, and the other end of a pair of transmission frames 16 are installed on the output end of the telescopic push rod 15.

[0029] In the specific implementation process, further, a support base 6 is installed under the sampling cabinet 1.

[0030] In the specific implementation process, further, a pair of sealed box doors 5 are installed on the sampling cabinet 1 through hinges 7.

[0031] In the specific implementation process, further, a pair of one-way air inlet valves 8 are installed on the three pairs of sampling gas chambers 4 .

[0032] In the specific implementation process, further, three pairs of unfolded air intake components are installed opposite to each other.

[0033] In the specific implementation process, further, the air intake pipe 11 is a corrugated hose.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-point air sampling cabinet, comprising: The sampling cabinet (1) is characterized in that a deployable multi-point sampling structure is installed on the sampling cabinet (1); The unfolded multi-point sampling structure comprises: a storage chamber (2), three pairs of fixed grids (3), three pairs of sampling air chambers (4), three pairs of unfolded air intake components and a pair of sealed chamber doors (5); The storage chamber (2) is opened inside the sampling cabinet (1), three pairs of fixed grilles (3) are installed in the storage chamber (2), three pairs of sampling gas chambers (4) are installed in the three pairs of fixed grilles (3), three pairs of unfolded air intake components are installed on the side walls of the sampling cabinet (1), and a pair of sealed box doors (5) are installed at the opening position of the front wall of the sampling cabinet (1).

2. A multi-point air sampling cabinet according to claim 1, characterized in that: A support base (6) is installed below the sampling cabinet (1).

3. A multi-point air sampling cabinet according to claim 1, characterized in that: A pair of sealed box doors (5) are mounted on the sampling cabinet (1) via hinges (7).

4. A multi-point air sampling cabinet according to claim 1, characterized in that: A pair of one-way air inlet valves (8) are installed on the three pairs of sampling air chambers (4).

5. The multi-point air sampling cabinet according to claim 1, characterized in that: The three pairs of unfolded air intake components are installed opposite to each other.

6. The multi-point air sampling cabinet according to claim 1, characterized in that: One of the three pairs of unfolding air intake components comprises: an equipment slot (9), an air pump (10), an air intake pipe (11), a mounting slot (12), an unfolding bracket (13), an air intake hopper (14), a telescopic push rod (15) and a pair of transmission frames (16); The equipment slot (9) is arranged on the inner wall of the sampling cabinet (1), the air pump (10) is installed in the equipment slot (9), the air outlet of the air pump (10) penetrates and extends into the storage chamber (2), one end of the air inlet pipe (11) is installed on the air inlet of the air pump (10), the installation slot (12) is arranged on the side wall of the sampling cabinet (1), one end of the expansion bracket (13) is movably installed in the installation slot (12), the air inlet pipe (11) is embedded in the expansion bracket (13), the air inlet hopper (14) is installed on the expansion bracket (13), the other end of the air inlet pipe (11) is installed on the air inlet hopper (14), one end of the telescopic push rod (15) is installed at the rotation position of the expansion bracket (13), one end of a pair of transmission frames (16) is respectively installed on the installation slot (12) and the expansion bracket (13), and the other end of the pair of transmission frames (16) is installed on the output end of the telescopic push rod (15).

7. A multi-point air sampling cabinet according to claim 6, characterized in that: The air inlet pipe (11) is a corrugated hose.

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